The input-output system of a computer consists of the programs and devices that allow the machine and its user to communicate. Recently graphical devices for this purpose have evolved rapidly ...
Abstract: In this article, a pen-type device that enables three-dimensional (3D) human-computer interaction is presented. This device is based on a high-precision 3D ultrasonic (US) positioning method ...
The Office of Science and Technology Policy has issued a request for information seeking public input on federal policy changes that could support U.S. scientific leadership and accelerate technology ...
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